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authorChia-I Wu <olv@lunarg.com>2010-03-13 20:30:03 +0800
committerChia-I Wu <olv@lunarg.com>2010-03-13 20:34:45 +0800
commit8c210c1b3b5e63eebae2b73814d2000520576ce7 (patch)
treef9b23a1843fd41bf17f690996a2712f317560907 /src/mesa/state_tracker/st_cb_readpixels.c
parent66cd38f465499863de106e1ae83b5de85072c29b (diff)
st/mesa: Validate the state in st_readpixels.
The front renderbuffer of a framebuffer is usually added as needed when glReadBuffer(GL_FRONT) is called. When the call is followed by glReadPixels, we should validate the state before reading from the renderbuffer.
Diffstat (limited to 'src/mesa/state_tracker/st_cb_readpixels.c')
-rw-r--r--src/mesa/state_tracker/st_cb_readpixels.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 8cc9cfac76..f0a02ab766 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -45,6 +45,7 @@
#include "st_debug.h"
#include "st_context.h"
+#include "st_atom.h"
#include "st_cb_readpixels.h"
#include "st_cb_fbo.h"
#include "st_public.h"
@@ -352,6 +353,8 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
/* XXX convolution not done yet */
assert((transferOps & IMAGE_CONVOLUTION_BIT) == 0);
+ st_validate_state(ctx->st);
+
/* Do all needed clipping here, so that we can forget about it later */
if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) {
/* The ReadPixels transfer is totally outside the window bounds */